Nissan Sylphy (2015) is 370 kg (816 lbs) lighter than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 298 mm (11.73 inch) longer, 96 mm (3.78 inch) wider, 18 mm (0.71 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Nissan Sylphy (2015).